---
source: crates/biome_js_analyze/tests/spec_tests.rs
expression: invalidClassSetter.js
---
# Input
```jsx
export default class {
    set X(x) {}

    set PROPERTY(x) {}

    set SpecialProperty(x) {}

    set special_property(x) {}

    set Unknown_Style(x) {}

    set #X(x) {}

    set #PROPERTY(x) {}

    set #SpecialProperty(x) {}

    set #special_property(x) {}

    set #Unknown_Style(x) {}
}
```

# Diagnostics
```
invalidClassSetter.js:2:9 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class setter name should be in camelCase.
  
    1 │ export default class {
  > 2 │     set X(x) {}
      │         ^
    3 │ 
    4 │     set PROPERTY(x) {}
  
  i The name could be renamed to `x`.
  

```

```
invalidClassSetter.js:4:9 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class setter name should be in camelCase.
  
    2 │     set X(x) {}
    3 │ 
  > 4 │     set PROPERTY(x) {}
      │         ^^^^^^^^
    5 │ 
    6 │     set SpecialProperty(x) {}
  
  i The name could be renamed to `property`.
  

```

```
invalidClassSetter.js:6:9 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class setter name should be in camelCase.
  
    4 │     set PROPERTY(x) {}
    5 │ 
  > 6 │     set SpecialProperty(x) {}
      │         ^^^^^^^^^^^^^^^
    7 │ 
    8 │     set special_property(x) {}
  
  i The name could be renamed to `specialProperty`.
  

```

```
invalidClassSetter.js:8:9 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class setter name should be in camelCase.
  
     6 │     set SpecialProperty(x) {}
     7 │ 
   > 8 │     set special_property(x) {}
       │         ^^^^^^^^^^^^^^^^
     9 │ 
    10 │     set Unknown_Style(x) {}
  
  i The name could be renamed to `specialProperty`.
  

```

```
invalidClassSetter.js:10:9 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class setter name should be in camelCase.
  
     8 │     set special_property(x) {}
     9 │ 
  > 10 │     set Unknown_Style(x) {}
       │         ^^^^^^^^^^^^^
    11 │ 
    12 │     set #X(x) {}
  
  i The name could be renamed to `unknownStyle`.
  

```

```
invalidClassSetter.js:12:9 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class setter name should be in camelCase.
  
    10 │     set Unknown_Style(x) {}
    11 │ 
  > 12 │     set #X(x) {}
       │         ^^
    13 │ 
    14 │     set #PROPERTY(x) {}
  
  i The name could be renamed to `x`.
  

```

```
invalidClassSetter.js:14:9 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class setter name should be in camelCase.
  
    12 │     set #X(x) {}
    13 │ 
  > 14 │     set #PROPERTY(x) {}
       │         ^^^^^^^^^
    15 │ 
    16 │     set #SpecialProperty(x) {}
  
  i The name could be renamed to `property`.
  

```

```
invalidClassSetter.js:16:9 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class setter name should be in camelCase.
  
    14 │     set #PROPERTY(x) {}
    15 │ 
  > 16 │     set #SpecialProperty(x) {}
       │         ^^^^^^^^^^^^^^^^
    17 │ 
    18 │     set #special_property(x) {}
  
  i The name could be renamed to `specialProperty`.
  

```

```
invalidClassSetter.js:18:9 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class setter name should be in camelCase.
  
    16 │     set #SpecialProperty(x) {}
    17 │ 
  > 18 │     set #special_property(x) {}
       │         ^^^^^^^^^^^^^^^^^
    19 │ 
    20 │     set #Unknown_Style(x) {}
  
  i The name could be renamed to `specialProperty`.
  

```

```
invalidClassSetter.js:20:9 lint/style/useNamingConvention ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ! This class setter name should be in camelCase.
  
    18 │     set #special_property(x) {}
    19 │ 
  > 20 │     set #Unknown_Style(x) {}
       │         ^^^^^^^^^^^^^^
    21 │ }
  
  i The name could be renamed to `unknownStyle`.
  

```